"You can close your eyes, if it helps you to get into it," she says, closing her own to keep out the sun, "but you might want to open them once in a while too, as I'll be acting one of the parts."
OK, you say, playing along, but a bit apprehensive about this game.
"All the while, you can tug away at your cock, but don't you dare cum! If you cum, you won't enjoy the rest of our day together much, OK?"
Yes, you say you understand.
"You can use the suntan lotion as lubrication if you need to... Now just give me a second, and we can begin." She meditates for a moment, basking in the sunshine, as you admire how sexy she looks in her hot bikini.